1322463 has 4 divisors (see below), whose sum is σ = 1763288. Its totient is φ = 881640.

The previous prime is 1322449. The next prime is 1322467. The reversal of 1322463 is 3642231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3642231 = 3 ⋅1214077.

It is not a de Polignac number, because 1322463 - 2⁹ = 1321951 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220408 + ... + 220413.

It is an arithmetic number, because the mean of its divisors is an integer number (440822).

2^1322463 is an apocalyptic number.

1322463 is a deficient number, since it is larger than the sum of its proper divisors (440825).

1322463 is an equidigital number, since it uses as much as digits as its factorization.

1322463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440824.

The product of its digits is 864, while the sum is 21.

The square root of 1322463 is about 1149.9839129310. The cubic root of 1322463 is about 109.7643163264.

Adding to 1322463 its reverse (3642231), we get a palindrome (4964694).

The spelling of 1322463 in words is "one million, three hundred twenty-two thousand, four hundred sixty-three".